package com.common.help.test05;

import java.util.Random;

public class Test6 {
	  static Random rand = new Random();
	  static int pRand(int mod) {
	    return Math.abs(rand.nextInt()) % mod + 1;
	  }
	  public static void main(String[] args) {
	    int[][] a1 = {
	      { 1, 2, 3, },
	      { 4, 5, 6, },
	    };
	    for(int i = 0; i < a1.length; i++)
	      for(int j = 0; j < a1[i].length; j++)
	        prt("a1[" + i + "][" + j +
	            "] = " + a1[i][j]);
	    // 3-D array with fixed length:
	    int[][][] a2 = new int[2][2][4];
	    for(int i = 0; i < a2.length; i++)
	      for(int j = 0; j < a2[i].length; j++)
	        for(int k = 0; k < a2[i][j].length;
	            k++)
	          prt("a2[" + i + "][" +
	              j + "][" + k +
	              "] = " + a2[i][j][k]);
	    // 3-D array with varied-length vectors:
	    int[][][] a3 = new int[pRand(7)][][];
	    for(int i = 0; i < a3.length; i++) {
	      a3[i] = new int[pRand(5)][];
	      for(int j = 0; j < a3[i].length; j++)
	        a3[i][j] = new int[pRand(5)];
	    }
	    for(int i = 0; i < a3.length; i++)
	      for(int j = 0; j < a3[i].length; j++)
	        for(int k = 0; k < a3[i][j].length;
	            k++)
	          prt("a3[" + i + "][" +
	              j + "][" + k +
	              "] = " + a3[i][j][k]);
	    // Array of non-primitive objects:
	    Integer[][] a4 = {
	      { new Integer(1), new Integer(2)},
	      { new Integer(3), new Integer(4)},
	      { new Integer(5), new Integer(6)},
	    };
	    for(int i = 0; i < a4.length; i++)
	      for(int j = 0; j < a4[i].length; j++)
	        prt("a4[" + i + "][" + j +
	            "] = " + a4[i][j]);
	    Integer[][] a5;
	    a5 = new Integer[3][];
	    for(int i = 0; i < a5.length; i++) {
	      a5[i] = new Integer[3];
	      for(int j = 0; j < a5[i].length; j++)
	        a5[i][j] = new Integer(i*j);
	    }
	    for(int i = 0; i < a5.length; i++)
	      for(int j = 0; j < a5[i].length; j++)
	        prt("a5[" + i + "][" + j +
	            "] = " + a5[i][j]);
	  }
	  static void prt(String s) {
	    System.out.println(s);
	  }
	}
